from string import punctuation
def process_file(dst):
    try:
        f = open(dst)
    except IOError as s:
        print (s)
        return None
    try:
        bvffer = f.read()
    except:
        print ("Read File Error!")
        return None
    f.close()
    return bvffer

def process_buffer(bvffer):
    if bvffer:
        word_freq = {}
        for item in bvffer.strip().split():
            word = item.strip(punctuation+' ')
            if word in word_freq:
                word_freq[word] += 1
            else:
                word_freq[word] = 1
        return word_freq

def output_result(word_freq):
    if word_freq:
        sorted_word_freq = sorted(word_freq.items(), key=lambda v: v[1], reverse=True)
        for item in sorted_word_freq[:10]:
            print (item)

if __name__ == "__main__":
    import argparse
    parser = argparse.ArgumentParser()
    parser.add_argument('dst')
    args = parser.parse_args()
    dst = args.dst
    bvffer = process_file(dst)
    word_freq = process_buffer(bvffer)
    output_result(word_freq)
